US20070282361A1 - Surgical Cutting Instrument - Google Patents

Surgical Cutting Instrument Download PDF

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Publication number
US20070282361A1
US20070282361A1 US11/632,858 US63285805A US2007282361A1 US 20070282361 A1 US20070282361 A1 US 20070282361A1 US 63285805 A US63285805 A US 63285805A US 2007282361 A1 US2007282361 A1 US 2007282361A1
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United States
Prior art keywords
head part
cutting
cutting edges
cutting instrument
tube
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Abandoned
Application number
US11/632,858
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English (en)
Inventor
Orlando Da Rold
Hassan Sadri
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Individual
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Individual
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Application filed by Individual filed Critical Individual
Assigned to ORLANDO DA ROLD reassignment ORLANDO DA ROLD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SADRI, HASSAN
Publication of US20070282361A1 publication Critical patent/US20070282361A1/en
Abandoned legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments

Definitions

  • the present invention relates to a surgical cutting instrument according to the preamble of Patent Claim 1 .
  • Surgical cutting instruments for use in closed or endoscopic surgery are known from EP 0 557 004, for example. They consist of two tubes which move one inside the other and on which the so-called cutting head is located in the end area at one end, and a coupling for the connection to the drive turbine is located at the other end.
  • the end parts are open or closed to the front and also have forwardly directed lateral openings through which irrigation fluid and, during the intervention, detached tissue is carried off.
  • the tubes of such instruments are of small diameter and great length, so as to permit interventions on the body without causing large surgical wounds.
  • the intervention is normally performed with three openings in the tissue, but in the area of the tissue closed to the outside.
  • a camera for observing the operating site on screen is inserted through the first opening into the body, the second opening provides access for the surgical cutting instruments, and a nozzle is introduced through the third opening. This nozzle is used to deliver irrigation fluid to the operating site where the actual intervention is taking place. This irrigation fluid is again removed from the body, together with the detached tissue, through the tubular centre of the cutting tool.
  • an invasive distractor is used, or simple stretching effected, to the extent permitted by the tendons, ligaments, nerves and muscles.
  • the camera is used to view the operating site on TV monitors during the operation.
  • the operating site is kept clean by the irrigation fluid, and, on the other hand, the parts detached by the cutting instrument are suctioned off from the operating site together with the irrigation fluid.
  • Instruments are also commercially available which have a camera through which the irrigation fluid at the same time is brought to the operating site.
  • the combined device of camera with delivery of fluid makes it possible to work with just two intervention sites. In many cases, the combination of camera with fluid delivery is not possible for practical reasons, for example in cases when technical operating reasons mean that the camera should be moved to another location in order to gain a quite specific view of the operating site.
  • the surgical cutting instruments to which the invention pertains are designed as long tubes.
  • the irrigation fluid, together with the detached parts, is suctioned off through the inner, rotating tube.
  • Important problems to be solved when producing such surgical cutting instruments are the production technique, the material selection, and the economic aspects. Suitable sterilizable material must be processed such that, with economic production, it is possible to obtain a cutting instrument that is as precise as possible. Normally, such instruments are made of expensive metal alloys.
  • the present invention now has the object of improving a surgical cutting instrument of the type mentioned at the outset in such a way that it easily satisfies the stringent conditions for in vivo use and provides the surgeon with a really sharp cutting instrument for all types of tissue and bones.
  • FIG. 1 shows a view of the outer tube with coupling element
  • FIG. 2 shows a view of the inner tube with coupling element
  • FIG. 3 shows a longitudinal section through the outer tube
  • FIG. 4 shows a longitudinal section through the inner tube
  • FIG. 5 shows a longitudinal section through assembled outer tube and inner tube
  • FIG. 6 shows a cross section at location A-A through assembled outer and inner tubes
  • FIG. 7 shows a cross section at location A-A through assembled outer and inner tubes
  • FIG. 8 shows a longitudinal section through the outer head part
  • FIG. 9 shows a cross section at location B-B through an outer head part
  • FIG. 10 shows a longitudinal section through the inner head part
  • FIG. 11 shows a cross section at location C-C through an inner head part with one inner opening
  • FIG. 12 shows a view of an inner head part with one or two inner openings
  • FIG. 13 shows a view of an inner head part with one or two inner openings turned through 90°
  • FIG. 14 shows a cross section at location D-D through an inner head part with two inner openings
  • FIG. 15 shows a cross section at location D-D through an inner head part with three inner openings
  • FIG. 16 shows a three-dimensional view of an inner head part with three inner openings
  • FIG. 17 shows a view of an inner head part with one or two inner openings and a milling head at the tip.
  • a surgical cutting instrument consists of a fixed outer tube 10 ( FIG. 1 ) and of an inner tube 20 ( FIG. 2 ) rotating in the latter.
  • the whole cutting instrument is connected to a drive mechanism provided for it, so that the inner tube 20 can in most cases be driven by a turbine drive and, at the same time, suction is guaranteed through the centre of the tubular instrument by means of vacuum.
  • Such devices are used widely in arthroscopic treatment for small surgical interventions.
  • outer tube 10 and outer head part 11 are made as one piece. This applies also to the inner tube 20 and inner head part 21 . Since, in clinical use, such instruments must be kept absolutely clean and sterile, special alloys are used for their production. The demanding technique of welding such materials and material thicknesses is the reason why the tubes are usually produced in one piece.
  • the inventor has now developed methods which permit secure welding between outer tube 10 and outer head part 11 ( FIG. 3 ) and also between inner tube 20 and inner head part 21 ( FIG. 4 ). In this way, other processing methods are possible for the head parts.
  • the cutting device according to the invention differs significantly from the commercially available products.
  • the outer cutting edges 121 ′ and 121 ′′ of the outer head part 11 form inwardly with respect to the tangent an acute angle ⁇ .
  • the outer cutting edges 121 ′ and 121 ′′ are thus situated directly on the internal diameter of the outer head part 11 .
  • the inner cutting edges 221 ′ and 221 ′′ form outwardly with respect to the tangent an acute angle ⁇ , so that the inner cutting edges 221 ′ and 221 ′′ are situated on the external diameter of the inner head part 21 . If the inner head part 21 now turns in the clockwise direction ( FIG.
  • the cutting instrument can be used in both directions of rotation and oscillating with exactly the same cutting property and cutting quality. Cutting instruments of smaller diameter can thus be used. This is unique and in particular affords considerable advantages in confined operating conditions. An example of this is an operation performed on the meniscus. For interventions on joints, the extent of the distraction can thus be kept smaller, which reduces the risk of overextension of tendons, muscles and nerves.
  • the shape of this cutting instrument permits use in many areas even where milling tools would traditionally be used.
  • the outer cutting edges 121 ( FIG. 3 ) and the inner cutting edges 221 ( FIG. 10 ) have an undulating configuration along their length. In this way there are practically no moments at which the whole cutter is simultaneously in use. This makes it possible to work efficiently and quickly with small drive forces.
  • the wave shape of the teeth shown in FIG. 3 , wide tooth 224 and narrow tooth gap 225 is typical for this surgical cutting instrument.
  • the outer head part 11 and the inner head part 21 can be connected, after production, to the outer tube 10 and the inner tube 20 , respectively. This permits other shapes and the use of other production techniques for forming the two head parts 11 , 21 .
  • the inventor proposes in particular a conical closure of the surgical cutting blade.
  • a cutting corner 222 is obtained which protrudes slightly from the cutting edge 121 of the outer head part 11 .
  • the surgeon is able to cut with great precision.
  • a common method for example, is to use the lateral cutting corner 222 to cut a pit-like recess in the flat tissue which is to be carried off. On the monitor, he can thus tell how much material he has cut from the surface around the furrow. This is a great help as reference line for estimating the amount of material removed during the operation. On the monitor, the relative amounts can be ascertained only with great experience and only inexactly. This form of the surgical cutting instrument thus permits more rapid working, without at the same time entailing a greater risk.
  • the problem to be solved was the strength of the material of the inner head part. This material has to be very tough but at the same time weldable. A material having both properties was found.
  • the great advantage of using two ( FIGS. 13, 14 ) or even three ( FIG. 15 ) inner openings 22 is appreciated when suctioning off irrigation fluid and tissue. The better the cutting performance and the greater the opening through which the detached material can be carried off, the cleaner is the operating site and, therefore, the quicker and more precise the surgeon's work.
  • the outer tube head part 11 remains the same in all configurations of the inner tube head parts 21 .
  • Each inner opening whether one, two or three are present, has in each case two inner cutting edges 221 ′, 221 ′′. These are also always of the same design, so that work can be carried out in both directions of rotation using the cutting instrument with one inner opening ( FIGS. 10, 11 , 12 ), with two inner openings ( FIGS. 13, 14 ) or with three inner openings ( FIG. 15 ).
  • a milling head 223 ( FIG. 17 ).
  • the conical closure of the inner head part 21 was designed as a milling head 223 on a surgical cutting tool 1 .
  • This arrangement has the advantage that the material milled off passes immediately to the inner opening 22 and can be suctioned off there.
  • This milling head 223 is designed as a “cap” with a plurality of milling teeth. The largest possible number of milling teeth is desirable.
  • the design of the milling head 223 as a cap, together with the fact that the proposed surgical cutting tool works with extremely small clearances, has the advantage that no soft parts are wound round the milling head 223 .
  • the outer tube head part 11 always remains the same, ever for use of this inner head part 21 equipped with milling head 233 .

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
US11/632,858 2004-07-22 2005-07-20 Surgical Cutting Instrument Abandoned US20070282361A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH01243/04 2004-07-22
CH01243/04A CH700185B1 (de) 2004-07-22 2004-07-22 Chirurgisches Schneidinstrument.
PCT/IB2005/052425 WO2006011119A1 (de) 2004-07-22 2005-07-20 Chirurgisches schneidinstrument

Publications (1)

Publication Number Publication Date
US20070282361A1 true US20070282361A1 (en) 2007-12-06

Family

ID=35448134

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/632,858 Abandoned US20070282361A1 (en) 2004-07-22 2005-07-20 Surgical Cutting Instrument

Country Status (12)

Country Link
US (1) US20070282361A1 (de)
EP (1) EP1773215B2 (de)
JP (1) JP2008507314A (de)
CN (1) CN100475167C (de)
AT (1) ATE491399T1 (de)
AU (1) AU2005265978A1 (de)
CH (1) CH700185B1 (de)
DE (1) DE502005010688D1 (de)
ES (1) ES2356172T3 (de)
PL (1) PL1773215T3 (de)
WO (1) WO2006011119A1 (de)
ZA (1) ZA200701307B (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080021488A1 (en) * 2006-07-24 2008-01-24 Sascha Berberich Medical Instrument for Cutting Tissue
US20080021487A1 (en) * 2006-07-19 2008-01-24 Heisler Gary R Endoscopic cutting instrument with axial and rotary motion
US8574254B2 (en) 2011-01-25 2013-11-05 Smith & Nephew, Inc. Arthroscopic cutting blade
EP2907460A1 (de) * 2014-02-12 2015-08-19 Arthrex, Inc. Chirurgische Rasiereranordnung
WO2016040061A1 (en) * 2014-09-08 2016-03-17 Medtronic Xomed, Inc. Tumor debulker
US9737322B2 (en) 2014-09-08 2017-08-22 Medtronic Xomed, Inc. Method for resection of tumors and tissues
CN114129221A (zh) * 2021-11-19 2022-03-04 江苏金泰医疗器械有限公司 一种除栓装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1958576A3 (de) * 2007-02-13 2009-08-05 Arthrex Inc Doppelschneidenrasierer
US9050123B2 (en) * 2007-04-16 2015-06-09 Smith & Nephew, Inc. Powered surgical system
US8409235B2 (en) * 2010-04-30 2013-04-02 Medtronic Xomed, Inc. Rotary cutting tool with improved cutting and reduced clogging on soft tissue and thin bone
CH703836B1 (de) 2010-09-29 2014-09-30 Orlando Da Rold Kupplungsteil einer chirurgischen Vorrichtung zum Kuppeln mit einem chirurgischen Handstück.
US9358036B2 (en) * 2013-03-12 2016-06-07 Gyrus Acmi, Inc. Blade positioning device
US10667836B2 (en) * 2014-04-28 2020-06-02 Boston Scientific Scimed, Inc. Tissue resectors, hand operated tissue resecting systems, and associated methods
CN108289721B (zh) * 2014-09-05 2020-12-15 伊西康有限责任公司 外科器械
WO2019028221A1 (en) 2017-08-02 2019-02-07 Stryker Corporation SURGICAL TOOL SYSTEMS AND METHODS OF USE
CN109717924A (zh) * 2019-01-31 2019-05-07 重庆市第四人民医院 黄韧带刨削刀
CH719484A1 (de) 2022-03-08 2023-09-15 Swiss Medical Instr Ag Verfahren zur Herstellung eines Innenrohrs für ein chirurgisches Schneidinstrument.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269798A (en) * 1992-02-19 1993-12-14 Linvatec Corporation Surgical cutting instrument with movable, inner and outer tubular members
US5843106A (en) * 1996-04-10 1998-12-01 Linvatec Corporation Endoscopic shaver blade with sharp outer edge
US6217598B1 (en) * 1997-11-25 2001-04-17 Linvatec Corporation End-cutting shaver blade
US20020077641A1 (en) * 1988-06-13 2002-06-20 Michelson Gary Karlin Apparatus and method of inserting spinal implants
US6620180B1 (en) * 1998-09-09 2003-09-16 Medtronic Xomed, Inc. Powered laryngeal cutting blade

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4203444A (en) * 1977-11-07 1980-05-20 Dyonics, Inc. Surgical instrument suitable for closed surgery such as of the knee
US4811734A (en) † 1987-08-13 1989-03-14 Baxter Travenol Laboratories, Inc. Surgical cutting instrument
US4850354A (en) * 1987-08-13 1989-07-25 Baxter Travenol Laboratories, Inc. Surgical cutting instrument
JPH01159824A (ja) * 1987-12-16 1989-06-22 Toyobo Co Ltd 磁気記録媒体
US5217479A (en) * 1991-02-14 1993-06-08 Linvatec Corporation Surgical cutting instrument
US5593416A (en) † 1993-01-26 1997-01-14 Donahue; John R. Method of using flexible surgical instrument
DE4422426C2 (de) * 1994-06-28 1998-02-26 Kurt Eberle Kg Chirurgisches Instrument zum Entfernen von Gewebe oder Knorpel
US5601583A (en) † 1995-02-15 1997-02-11 Smith & Nephew Endoscopy Inc. Surgical instrument
US5709698A (en) † 1996-02-26 1998-01-20 Linvatec Corporation Irrigating/aspirating shaver blade assembly
US5766199A (en) † 1996-04-10 1998-06-16 Linvatec Corporation Endoscopic shaver blade with resilient cutting edges
AU722939B2 (en) * 1996-04-10 2000-08-17 Linvatec Corporation Process for shaping and sharpening a rotatable surgical shaver blade
US5913867A (en) * 1996-12-23 1999-06-22 Smith & Nephew, Inc. Surgical instrument
US6053923A (en) * 1998-03-17 2000-04-25 Arthrotek, Inc. Method and apparatus for abrading tissue
US6428539B1 (en) † 2000-03-09 2002-08-06 Origin Medsystems, Inc. Apparatus and method for minimally invasive surgery using rotational cutting tool
US6419684B1 (en) † 2000-05-16 2002-07-16 Linvatec Corporation End-cutting shaver blade for axial resection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020077641A1 (en) * 1988-06-13 2002-06-20 Michelson Gary Karlin Apparatus and method of inserting spinal implants
US5269798A (en) * 1992-02-19 1993-12-14 Linvatec Corporation Surgical cutting instrument with movable, inner and outer tubular members
US5843106A (en) * 1996-04-10 1998-12-01 Linvatec Corporation Endoscopic shaver blade with sharp outer edge
US6217598B1 (en) * 1997-11-25 2001-04-17 Linvatec Corporation End-cutting shaver blade
US6620180B1 (en) * 1998-09-09 2003-09-16 Medtronic Xomed, Inc. Powered laryngeal cutting blade

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080021487A1 (en) * 2006-07-19 2008-01-24 Heisler Gary R Endoscopic cutting instrument with axial and rotary motion
US7666200B2 (en) * 2006-07-19 2010-02-23 Target Medical Innovations Llc Endoscopic cutting instrument with axial and rotary motion
US20100198242A1 (en) * 2006-07-19 2010-08-05 Target Medical Innovations, LLC Endoscopic cutting instrument with axial and rotary motion
US8088135B2 (en) 2006-07-19 2012-01-03 Target Medical Innovations, LLC Endoscopic cutting instrument with axial and rotary motion
US20080021488A1 (en) * 2006-07-24 2008-01-24 Sascha Berberich Medical Instrument for Cutting Tissue
US8529593B2 (en) 2006-07-24 2013-09-10 Karl Storz Gmbh & Co. Kg Medical instrument for cutting tissue
US8574254B2 (en) 2011-01-25 2013-11-05 Smith & Nephew, Inc. Arthroscopic cutting blade
EP2907460A1 (de) * 2014-02-12 2015-08-19 Arthrex, Inc. Chirurgische Rasiereranordnung
WO2016040061A1 (en) * 2014-09-08 2016-03-17 Medtronic Xomed, Inc. Tumor debulker
US9636132B2 (en) 2014-09-08 2017-05-02 Medtronic Xomed, Inc. Tumor debulker
US9737322B2 (en) 2014-09-08 2017-08-22 Medtronic Xomed, Inc. Method for resection of tumors and tissues
EP3689278A1 (de) * 2014-09-08 2020-08-05 Medtronic Xomed, Inc. Tumormassenentferner
CN114129221A (zh) * 2021-11-19 2022-03-04 江苏金泰医疗器械有限公司 一种除栓装置

Also Published As

Publication number Publication date
CN100475167C (zh) 2009-04-08
CH700185B1 (de) 2010-07-15
EP1773215A1 (de) 2007-04-18
AU2005265978A1 (en) 2006-02-02
EP1773215B2 (de) 2019-07-24
DE502005010688D1 (de) 2011-01-27
JP2008507314A (ja) 2008-03-13
PL1773215T3 (pl) 2011-05-31
ATE491399T1 (de) 2011-01-15
WO2006011119A1 (de) 2006-02-02
CN101001578A (zh) 2007-07-18
EP1773215B1 (de) 2010-12-15
ZA200701307B (en) 2008-07-30
ES2356172T3 (es) 2011-04-05

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AS Assignment

Owner name: ORLANDO DA ROLD, SWITZERLAND

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SADRI, HASSAN;REEL/FRAME:019644/0990

Effective date: 20070703

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION